package isac.gui.treetable;

import isac.gui.mawen.editor.EditorListener;

import isac.gui.mawen.syntax.Ast;

import isac.interfaces.IEditor;

import java.awt.Dimension;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.util.ArrayList;

import javax.swing.JComponent;

import javax.swing.JTextField;

public class FormulaTextField extends JTextField implements IEditor, KeyListener {

/*err*/private Ast.Ast formula;

	/**

	 * 

	 */

	private static final long serialVersionUID = 1L;

	protected ArrayList<EditorListener> listeners;

	public FormulaTextField() {

	  listeners = new ArrayList<EditorListener>();

	  addKeyListener(this);

		setOpaque(true);

	}

	@Override

	public JComponent getComponent() {

		return this;

	}

	@Override

	public void setFormula(String formula) {

		setText(formula);

	}

/*err*/public void setFormula(Ast.Ast formula) {

/*err*/this.formula = formula;

	  setFormula(isac.gui.mawen.syntax.Ast.math_string_of(formula));

    // TODO Auto-generated method stub

    System.out.println(formula);

  }

/*err*/public Ast.Ast getFormula() {

/*err*/return formula;

	}

	@Override

	public Dimension getExpressionSize() {

		// TODO Auto-generated method stub

		return getPreferredSize();

	}

	@Override

	public boolean setEditable() {

		// TODO Auto-generated method stub

		return false;

	}

	public void addEditorListener(EditorListener l) {

    listeners.add(l);

  }

  public void removeEditorListener(EditorListener l) {

    listeners.remove(l);

  }

  public void fireLocalCheck() {

    for(EditorListener l : listeners) {

      l.notifyLocalCheck();

    }

  }

  public void fireIsaCheck() {

    for(EditorListener l : listeners) {

      l.notifyIsaCheck();

    }

  }

  @Override

  public void keyTyped(KeyEvent e) {

    // TODO Auto-generated method stub

  }

  @Override

  public void keyPressed(KeyEvent e) {

    // TODO Auto-generated method stub

  }

  @Override

  public void keyReleased(KeyEvent e) {

    if( e.getKeyCode() == KeyEvent.VK_ENTER ) {

      fireIsaCheck();

    }

  }

  @Override

  public String getMathText() {

    return getText();

  }

  @Override

  public void fireNotifyLocalCheck() {

    fireLocalCheck();

  }

  @Override

  public void fireNotifyIsaCheck() {

    fireIsaCheck();

  }

  // inappropriate for StringEditor

/*err*/public void fireNotifyBraille(Ast.Ast formula) {}

}